
theorem Th27:
  for L be well-unital non empty multLoopStr for p be sequence
  of L holds 1.L*p = p
proof
  let L be well-unital non empty multLoopStr;
  let p be sequence of L;
  for n be Element of NAT holds p.n = 1.L*p.n;
  hence thesis by Def4;
end;
